Pith Number

pith:L4TMRIJD

pith:2012:L4TMRIJD5RON2WQKLPWRWBGGJN

not attested not anchored not stored refs pending

Testing nonlocality of a single photon without a shared reference frame

Jonatan Bohr Brask, Nicolas Brunner, Rafael Chaves

arxiv:1212.2019 v2 · 2012-12-10 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L4TMRIJD5RON2WQKLPWRWBGGJN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:17:35.447216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f26c8a123ec5cdd5a0a5bed1b04c64b7b2f3b1555aab9cf32eac619519fcbab

Aliases

arxiv: 1212.2019 · arxiv_version: 1212.2019v2 · doi: 10.48550/arxiv.1212.2019 · pith_short_12: L4TMRIJD5RON · pith_short_16: L4TMRIJD5RON2WQK · pith_short_8: L4TMRIJD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/L4TMRIJD5RON2WQKLPWRWBGGJN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 5f26c8a123ec5cdd5a0a5bed1b04c64b7b2f3b1555aab9cf32eac619519fcbab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c2a2d739cc4621e7fa1dd90965aa638b2e9cb0534c857d1f8da7965d03f899d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-10T10:07:38Z",
    "title_canon_sha256": "f0e46ff7b2cb2f9b4e23a9fa2014e352bc9eb14a1289e12148af35a6de88746f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2019",
    "kind": "arxiv",
    "version": 2
  }
}